142422054552457 has 2 divisors, whose sum is σ = 142422054552458. Its totient is φ = 142422054552456.

The previous prime is 142422054552409. The next prime is 142422054552497. The reversal of 142422054552457 is 754255450224241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85687957454841 + 56734097097616 = 9256779^2 + 7532204^2 .

It is a cyclic number.

It is not a de Polignac number, because 142422054552457 - 2⁷ = 142422054552329 is a prime.

It is not a weakly prime, because it can be changed into another prime (142422054552497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71211027276228 + 71211027276229.

It is an arithmetic number, because the mean of its divisors is an integer number (71211027276229).

Almost surely, 2^{142422054552457} is an apocalyptic number.

It is an amenable number.

142422054552457 is a deficient number, since it is larger than the sum of its proper divisors (1).

142422054552457 is an equidigital number, since it uses as much as digits as its factorization.

142422054552457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920000, while the sum is 52.

The spelling of 142422054552457 in words is "one hundred forty-two trillion, four hundred twenty-two billion, fifty-four million, five hundred fifty-two thousand, four hundred fifty-seven".